Home / 161,943.14-223,481.88-90,327.76

Finding the Fourth Proportional to 161,943.14, 223,481.88 and 90,327.76

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Solution

The fourth proportional to 161,943.14, 223,481.88 and 90,327.76 is: 124,652.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,943.14 : 223,481.88 = 90,327.76 : x
  2. Step 2: Convert to fraction form
    161,943.14/223,481.88 = 90,327.76/x
  3. Step 3: Cross multiply
    161,943.14x = 223,481.88 × 90,327.76
  4. Step 4: Simplify right side
    161,943.14x = 20,186,617,620.99
  5. Step 5: Solve for x
    x = 20,186,617,620.99/161,943.14
  6. Step 6: Final answer
    x = 124,652.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.